As a Java Full Stack Developer, I design and build scalable web applications using Java, Spring Boot, React.js, and Angular to deliver robust backend services and intuitive front-end experiences. I excel at delivering microservices architectures, RESTful APIs, and automated deployments with Docker, Kubernetes, and CI/CD on AWS, while optimizing data models with PostgreSQL and DynamoDB. I thrive in Agile teams and enjoy collaborating with cross-functional partners to ship high-quality software.

Bharani Kumar Yerraballi

As a Java Full Stack Developer, I design and build scalable web applications using Java, Spring Boot, React.js, and Angular to deliver robust backend services and intuitive front-end experiences. I excel at delivering microservices architectures, RESTful APIs, and automated deployments with Docker, Kubernetes, and CI/CD on AWS, while optimizing data models with PostgreSQL and DynamoDB. I thrive in Agile teams and enjoy collaborating with cross-functional partners to ship high-quality software.

Available to hire

As a Java Full Stack Developer, I design and build scalable web applications using Java, Spring Boot, React.js, and Angular to deliver robust backend services and intuitive front-end experiences. I excel at delivering microservices architectures, RESTful APIs, and automated deployments with Docker, Kubernetes, and CI/CD on AWS, while optimizing data models with PostgreSQL and DynamoDB. I thrive in Agile teams and enjoy collaborating with cross-functional partners to ship high-quality software.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Java Full Stack Developer at Optum
December 1, 2024 - November 14, 2025
Designed and enhanced scalable Spring Boot microservices for critical healthcare workflows, increasing transaction throughput by 38% and securely processing 60,000+ daily patient records across multiple regions. Developed Angular front-end modules with reactive forms and advanced state management, reducing UI response time by 30% and improving clinician, pharmacy, and patient usability. Integrated RESTful APIs and third-party healthcare partner systems to streamline interoperability across insurance, claims, and pharmacy networks, reducing manual data transfers by ~45%. Implemented HIPAA-compliant authentication, encryption, and audit logging to ensure 100% compliance during audits. Led Agile sprints across cross-functional teams and automated deployments via Jenkins, Docker, and Kubernetes on AWS, cutting production rollout downtime by 35% and stabilizing service availability.
Java Full Stack Developer at Hexaware Technologies
July 1, 2023 - July 1, 2023
Refactored monolithic enterprise applications into Spring Boot-based microservices, reducing maintenance overhead by 28% and enabling horizontal scalability across global financial service platforms. Architected cloud-native data ingestion and processing pipelines using AWS Lambda, SQS, and DynamoDB, enhancing throughput by 42% and ensuring stable high-volume data operations. Engineered responsive front-ends with React.js and Angular, driving a 20% increase in end-user engagement. Developed and maintained CI/CD pipelines with Jenkins and Git integrations, automating builds and deployments, reducing failure rates by 40% and shortening release cycles to one week. Collaborated with cross-functional global teams following Agile practices to deliver enterprise-grade applications, achieving 99% sprint goals and strong stakeholder satisfaction. Optimized PostgreSQL queries, schemas, and indexing, improving query response times by 45% with workloads over two million daily transactions.
Front-End Developer at Adons Softech
July 1, 2021 - July 1, 2021
Built interactive, responsive front-end interfaces using HTML5, CSS3, and modern JavaScript (ES6+), improving cross-browser compatibility and elevating customer satisfaction scores by 25%. Translated UX wireframes into functional web interfaces with 100% design accuracy and reduced QA rework by 15%. Optimized performance via lazy loading, code splitting, and caching, achieving a 40% reduction in initial load times and improved Lighthouse performance metrics. Maintained Git-based version control practices, performed peer reviews, and resolved merge conflicts, increasing code quality and reducing post-deployment defects by 27%. Supported Agile ceremonies and integrated RESTful APIs to front-end modules, ensuring data synchronization and reducing integration issues by 22%.
Java Full Stack Developer at Hexaware Technologies
August 1, 2021 - July 1, 2023
Refactored monolithic enterprise applications into Spring Boot-based microservices, reducing maintenance overhead by 28% and enabling horizontal scalability across global financial platforms. Architected cloud-native data ingestion and processing pipelines using AWS Lambda, SQS, and DynamoDB, increasing throughput by 42% and ensuring stable high-volume data operations. Implemented CI/CD pipelines with Jenkins and Git, driving faster releases and improved reliability. Optimized PostgreSQL queries and schemas to improve response times by 45%.
Front-End Developer at Adons Softech
May 1, 2019 - July 1, 2021
Built interactive, responsive front-end interfaces using HTML5, CSS3, and modern JavaScript (ES6+), delivering cross-browser compatibility and improving customer satisfaction. Translated wireframes into functional UI with 100% design accuracy, reduced client rework, and improved performance through lazy loading, code splitting, and caching. Integrated RESTful APIs and ensured data synchronization across modules, reducing integration issues by 22%.

Education

Masters in Computer Science and Information Systems at Saint Leo University
January 11, 2030 - May 1, 2025
Master's in Computer Science and Information Systems at Saint Leo University
January 11, 2030 - May 1, 2025
Masters in Computer Science and Information Systems at Saint Leo University, Tampa, FL, USA
January 11, 2030 - January 22, 2026
Master's in Computer Science and Information Systems at Saint Leo University
January 11, 2030 - January 26, 2026

Qualifications

Java Certified Foundations Associate
January 11, 2030 - November 14, 2025
AWS Certified Solutions Architect
January 11, 2030 - November 14, 2025
Java Certified Foundations Associate
January 11, 2030 - November 14, 2025
AWS Certified Solutions Architect
January 11, 2030 - November 14, 2025
Java Certified Foundations Associate
May 1, 2025 - January 22, 2026
AWS Certified Solutions Architect
May 1, 2025 - January 22, 2026
Java Certified Foundations Associate
May 1, 2025 - January 26, 2026
AWS Certified Solutions Architect
May 1, 2025 - January 26, 2026

Industry Experience

Healthcare, Software & Internet, Professional Services, Financial Services, Other